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FMC TDC 1ns 5cha - Software
Commit 7ef3575b authored by Samuel Iglesias Gonsálvez's avatar Samuel Iglesias Gonsálvez
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tdc: fix error handling. Unlock mutex 

Signed-off-by: Samuel Iglesias Gonsálvez's avatarSamuel Iglesias Gonsalvez <siglesias@igalia.com>
parent 4fe307ae
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drivers/tdc-fmc.c
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......@@ -141,14 +141,17 @@ static void tdc_fmc_irq_work(struct work_struct *work)
mutex_lock(&fmc_dma_lock);
curr_wr_ptr = tdc_get_circular_buffer_wr_pointer(tdc);
if(curr_wr_ptr == tdc->wr_pointer)
if(curr_wr_ptr == tdc->wr_pointer) {
mutex_unlock(&fmc_dma_lock);
goto dma_out; /* No new events happened */
}
prev_wr_ptr = tdc->wr_pointer;
ret = tdc_dma_setup(tdc, 0, (unsigned long)events,
TDC_EVENT_BUFFER_SIZE*sizeof(struct tdc_event));
if (ret) {
dev_err(&tdc->fmc->dev, "tdc: error in DMA setup\n");
mutex_unlock(&fmc_dma_lock);
goto dma_out;
}
......
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